i installed 4.10s in my 04gt

[maxima]

whats up guys. question i installed ford raceing 4.10s in my car car about 1.5 years ago, they started makeing like a ringing noise. is that normal?

 

[02nightmaregt]

FWIW my gears never rung after the install. I didn't even get an install/bearing kit. That was in Feb. 06 and my rear is now making a horendous noise(to me). That why i'm going ahead and building the shat out of it.